The image grabbing module is made up of lights, lens, CCD camera, image grabber and industry computer, etc;which is used to grab all the brake images of one wangon.

• 图像采集单元由光源、镜头、CCD摄像机、图像采集卡和工业控制机等器件组成,用于完成闸瓦图像的拍摄;